In 2007, the President’s Task Force on Climate Change was formed to develop a set of recommendations for how the university should address greenhouse gas emissions. The Task Force focused on three primary areas: Tactics and Strategies for emissions reductions, Research and Innovation, and Community Partnerships. The Task Force established a goal to reduce emissions by 51% by 2025 from a 2008 baseline. After reviewing the Task Force report, President Daniels asked for a detailed plan for reaching the recommendations included in the Task Force report, which resulted in the Climate Change Leadership for the Future- Implementation Plan for Achieving GHG Reduction Goals.
Over the first five years of the greenhouse gas reduction plan, Johns Hopkins University’s emissions have dropped by 101,000 metric tons, or roughly 30% below where we started in 2008. The Office of Sustainability Five Year Report reviews and assesses this progress.
Three common approaches to reducing fossil fuel based energy and greenhouse has emissions include:
Efficiency guides the decisions in JHU’s Facilities and Design & Construction offices. All renovations and new construction projects are pushed to design to use the least amount of energy possible based on the program and uses of the building with the current building energy codes as a standard. We are accomplishing this by:
Technology is being built into the building infrastructure to conserve energy automatically where possible, and built into smarter system designs that better support occupant needs without wasting energy. Examples of our energy conservation initiatives:
The State of Maryland has a mandate to increase the amount of renewable energy in its energy portfolio to 20% by 2022. The university is also working to take advantage of this region’s solar, wind and hydro opportunities. We are accomplishing this by:
Johns Hopkins is home to one of the largest solar projects in the City of Baltimore and one of the largest building-mounted solar systems in the country. Photovoltaic (PV) panels atop seven buildings collect solar radiation and convert it directly into electricity, generating 1 million kWh of clean renewable energy each year, or enough electricity to power roughly 112 average households and offset 545 tons of greenhouse gases. The project was the first major renewable energy system installed at Hopkins, and it is also the first energy project that includes academic divisions on multiple campuses. The Sustainability Office is investigating additional opportunities for Solar PV on several other buildings and parking structures.
See how much solar energy is being generated right now on the live Solar Dashboard.
Cogeneration (Combined Heat and Power) and Trigeneration (Combined Cooling, Heating and Power) are more efficient than conventional electric power generation because almost all of the waste heat that is generated can be captured and used on campus. This means we burn less natural gas in our boilers to produce that heat. The university generates an impressive 28% of its own electricity right on campus utilizing energy efficient Cogeneration and Trigeneration equipment, located at the Homewood, Mount Washington and the East Baltimore campuses. When running at full capacity, these gas turbines and engines will generate over 20 Megawatts of electricity and convert natural gas into electricity and heat at efficiencies approaching 75%, nearly 50% better than grid electricity.
There are also initiatives in place to reduce electricity consumption in our cooling plants. In the winter, when our internal cooling loads are small, outside air can be used to make chilled water using less energy than electric chillers. We can also make ice in the summer for use when the utility requests that we shut down chillers to reduce electric loads. The university has Ice Storage at Eastern, Homewood, Mount Washington and the Applied Physics Lab. There is free cooling capability at Mount Washington and Homewood..
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